Patent US3085143A successfully refreshed from Google Patents.
US3085143A
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US
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Assignee: Individual
•
Filing: 1960-03-30
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Granted: 1963-04-09
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Expires: 1980-03-30
Abstract
No abstract record available.
Inventors
- 👤 Frank M Antoncich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:31
CPC Classifications
B; B41; B41F; B41F23/00; B41F23/04; B41F23/044; B41F23/0443
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
83 words
A RADIANT HEATER INCLUDING A QUARTZ PLATE, A HEAT INSULATING PANEL IN FACE CONTACT WITH ONE SURFACE OF SAID PLATE AND CONTIGUOUS THERETO, AN ELECTRIC HEATING ELEMENT EMBEDDED IN SAID PANEL IN CONTACT WITH SAID PLATE, A CHANNEL INCLUDING A BASE OVERLYING SAID PANEL AND SUBSTANTIALLY EQUAL IN WIDTH THERETO AND SIDES ENCLOSING AND ENGAGING THE SIDES OF SAID PANEL AND PLATE TO HOLD THEM IN CONTIGUOUS RELATION, SAID INSULATING PANEL AND QUARTZ PLATE FILLING SAID CHANNEL, AND MEANS FOR SUPPORTING SAID CHANNEL.
References Cited (Backward Citations)
FR453861A
Cited
US1091714A
Cited
GB181405A
Cited
FR564853A
Cited
US1654292A
Cited
US1797627A
Cited
US2631216A
Cited
US2781440A
Cited
FR69149E
Cited
US2882381A
Cited
FR1188729A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-08 | 1966-10-08 | 1967-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-08 | 1970-10-08 | 1971-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-08 | 1974-10-08 | 1975-04-09 | $7700.00 | Window Closed / Lapsed |